Find references inside blocks.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77540 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/t1.c b/test/Index/t1.c
index 8b57a58..45e0488 100644
--- a/test/Index/t1.c
+++ b/test/Index/t1.c
@@ -25,5 +25,7 @@
   ms.field_var = 10;
 }
 
+int (^CP)(int) = ^(int x) { return x * global_var; };
+
 // Suppress 'no run line' failure.
 // RUN: true